Is wheatgrass gluten free?

I've been reading conflicting reports

[Penel]

If you feel Wikipedia is reliable...it's gluten free. en.wikipedia.org/wiki/Wheat...

[Jacks]

It depends who you ask - the sellers seem to think it is, some scientists seem to think it is the embryo of the stuff that makes us sick.

[lizzycoop]

Coeliac Australia say 'the manufacturer claims it to be gluten free but as it is entirely derived from a wheat we do not recommend it'. Australia has the tightest (safest) gluten-fee restrictions in the world.

[Hidden]

Coeliac UK answered this question just the other day and they categorically stated that due to how it's produced it isn't GF